165165486 has 8 divisors (see below), whose sum is σ = 330330984. Its totient is φ = 55055160.

The previous prime is 165165463. The next prime is 165165503. The reversal of 165165486 is 684561561.

It is a sphenic number, since it is the product of 3 distinct primes.

165165486 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13763785 + ... + 13763796.

It is an arithmetic number, because the mean of its divisors is an integer number (41291373).

Almost surely, 2^165165486 is an apocalyptic number.

165165486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165165486 is a wasteful number, since it uses less digits than its factorization.

165165486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27527586.

The product of its digits is 172800, while the sum is 42.

The square root of 165165486 is about 12851.6724981615. The cubic root of 165165486 is about 548.6639593689.

The spelling of 165165486 in words is "one hundred sixty-five million, one hundred sixty-five thousand, four hundred eighty-six".